[jira] [Updated] (SPARK-25240) A deadlock in ALTER TABLE RECOVER PARTITIONS
[ https://issues.apache.org/jira/browse/SPARK-25240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Xiao Li updated SPARK-25240: Target Version/s: 2.4.0 > A deadlock in ALTER TABLE RECOVER PARTITIONS > > > Key: SPARK-25240 > URL: https://issues.apache.org/jira/browse/SPARK-25240 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.4.0 >Reporter: Maxim Gekk >Priority: Blocker > > Recover Partitions in ALTER TABLE is performed in recursive way by calling > the scanPartitions() method. scanPartitions() lists files sequentially or in > parallel if the > [condition|https://github.com/apache/spark/blob/131ca146ed390cd0109cd6e8c95b61e418507080/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L685] > is true: > {code:scala} > partitionNames.length > 1 && statuses.length > threshold || > partitionNames.length > 2 > {code} > Parallel listening is executed on [the fixed thread > pool|https://github.com/apache/spark/blob/131ca146ed390cd0109cd6e8c95b61e418507080/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L622] > which can have 8 threads in total. Dead lock occurs when all 8 cores have > been already occupied and recursive call of scanPartitions() submits new > parallel file listening. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-25240) A deadlock in ALTER TABLE RECOVER PARTITIONS
[ https://issues.apache.org/jira/browse/SPARK-25240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Xiao Li updated SPARK-25240: Priority: Blocker (was: Major) > A deadlock in ALTER TABLE RECOVER PARTITIONS > > > Key: SPARK-25240 > URL: https://issues.apache.org/jira/browse/SPARK-25240 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.4.0 >Reporter: Maxim Gekk >Priority: Blocker > > Recover Partitions in ALTER TABLE is performed in recursive way by calling > the scanPartitions() method. scanPartitions() lists files sequentially or in > parallel if the > [condition|https://github.com/apache/spark/blob/131ca146ed390cd0109cd6e8c95b61e418507080/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L685] > is true: > {code:scala} > partitionNames.length > 1 && statuses.length > threshold || > partitionNames.length > 2 > {code} > Parallel listening is executed on [the fixed thread > pool|https://github.com/apache/spark/blob/131ca146ed390cd0109cd6e8c95b61e418507080/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L622] > which can have 8 threads in total. Dead lock occurs when all 8 cores have > been already occupied and recursive call of scanPartitions() submits new > parallel file listening. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-25240) A deadlock in ALTER TABLE RECOVER PARTITIONS
[ https://issues.apache.org/jira/browse/SPARK-25240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Maxim Gekk updated SPARK-25240: --- Summary: A deadlock in ALTER TABLE RECOVER PARTITIONS (was: Dead-lock in ALTER TABLE RECOVER PARTITIONS) > A deadlock in ALTER TABLE RECOVER PARTITIONS > > > Key: SPARK-25240 > URL: https://issues.apache.org/jira/browse/SPARK-25240 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.4.0 >Reporter: Maxim Gekk >Priority: Major > > Recover Partitions in ALTER TABLE is performed in recursive way by calling > the scanPartitions() method. scanPartitions() lists files sequentially or in > parallel if the > [condition|https://github.com/apache/spark/blob/131ca146ed390cd0109cd6e8c95b61e418507080/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L685] > is true: > {code:scala} > partitionNames.length > 1 && statuses.length > threshold || > partitionNames.length > 2 > {code} > Parallel listening is executed on [the fixed thread > pool|https://github.com/apache/spark/blob/131ca146ed390cd0109cd6e8c95b61e418507080/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L622] > which can have 8 threads in total. Dead lock occurs when all 8 cores have > been already occupied and recursive call of scanPartitions() submits new > parallel file listening. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org